The granddaughter of a survivor of the Quintinshill rail disaster Susan Hughes said her grandfather went on to fight in Gallipoli.
Ms Hughes said: "He went straight on to fight but said it was worse than anything he saw in battle."
John Edward, the great-grandson of a victim who died at Quintinshill, has said the disaster "wasn't really talked about" by his family.
Retired Colonel of Royal Scots Dragoon Guards Martin Gibson said he is very proud of the men who lost their live in the Quintinshill rail disaster.
He told ITV News: "We are very proud of the men who gave their lives, even before they got to war. That is the thing we find terribly difficult to accept."
Princess Anne has arrived at Gretna for the commemoration service marking the 100th anniversary of the Quintinshill rail disaster.
Scotland's First Minister Nicola Sturgeon has arrived at Gretna Green for today's service marking the centenary of the Quintinshill rail disaster.
A parade is currently forming at the memorial cairn ahead of the official commemorative service, which begins at 11am.
The 100th anniversary of Britain's worst rail disaster will be commemorated at a special service today.Read the full story ›
A century ago tonight, allied soldiers lay in wait off the Turkish coast.
In the dead of night they moved towards Anzac Cove. By sunrise, landfights were underway in Gallipoli.
The campaign was ultimately doomed, costing 60,000 allied lives, more than half of them British.
ITV News Correspondent Dan Rivers travelled to Turkey to meet two descendants of men who fought there.
One of the great tragedies of the First World War is the number of youths who lied about their age to enlist particularly in the Royal Navy.Read the full story ›
A hundred years ago two German Zeppelins loomed over Norfolk and dropped their bombs, killing four people.Read the full story ›
Sir Trevor Brooking, Gary Neville, Vincent Kompany and Wojciech Szczesny are just some of the sports stars to appear in the video.Read the full story ›